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How do you test private methods with NUnit?
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Generally, unit testing addresses a class's public interface, on the theory that the implementation is immaterial, so long as the results are correct from the client's point of view.
So, NUnit does not provide any mechanism for t...
How to check if a file is a valid image file?
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That won't be sufficient if he's really testing for "valid" images; the presence of a magic number doesn't guarantee that the file hasn't been truncated, for example.
– Ben Blank
May 20 '09 at 18:11
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Get difference between 2 dates in JavaScript? [duplicate]
...day. As for always returning a positive number, that was a feature :) Typically when one talks about the number of days between two dates, that number is positive. If direction matters, just remove the Math.abs().
– TNi
Jul 11 '10 at 22:38
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Django - Difference between import django.conf.settings and import settings
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Also note that all settings names should be upper-case. That is, if your have a var my_var in your settings then this will fail: from django.conf import settings... settings.my_var. But if you name it MY_VAR it will succeed!
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Swift - Cast Int into enum:Int
... started this week) and I'm migrating my app from Objective-C. I have basically the following code in Objective-C that works fine:
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Force R not to use exponential notation (e.g. e+10)?
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This is a bit of a grey area. You need to recall that R will always invoke a print method, and these print methods listen to some options. Including 'scipen' -- a penalty for scientific display. From help(options):
‘scipen’: integer. A penalty to be applied wh...
Linux error while loading shared libraries: cannot open shared object file: No such file or director
...nk the most frequent cause of these sorts of message is because you've installed a package, but not installed the "-dev" version of that package.
Well, it's not lying - there is no libpthread_rt.so.1 in that listing. You probably need to re-configure and re-build it so that it depends on the li...
jQuery OR Selector?
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It should be noted this isn't really an 'or' selector, more like multiple selectors in one.
– alex
Feb 15 '10 at 3:57
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Better way to sum a property value in an array
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Updated Answer
Due to all the downsides of adding a function to the Array prototype, I am updating this answer to provide an alternative that keeps the syntax similar to the syntax originally requested in the question.
class TravellerCollection e...
Throw an error in a MySQL trigger
...e SIGNAL syntax to throw an exception:
signal sqlstate '45000' set message_text = 'My Error Message';
State 45000 is a generic state representing "unhandled user-defined exception".
Here is a more complete example of the approach:
delimiter //
use test//
create table trigger_test
(
id int...